diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-03-04 19:15:34 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-07 00:01:29 (GMT) |
| commit | 307da4b2e89c388d2e44efdd6899d4d1d8429806 (patch) | |
| tree | e7cee628c24b85afe781eea066e3b4721b7145e0 /drivers/staging/comedi | |
| parent | 5effdf708100fd5eeeaa8c7bbbed3b90cbb70cf5 (diff) | |
| download | linux-307da4b2e89c388d2e44efdd6899d4d1d8429806.tar.xz | |
staging: comedi: ni_660x: (!foo) preferred over (foo == NULL)
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_660x.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c index 1e4dd82..9d7567b 100644 --- a/drivers/staging/comedi/drivers/ni_660x.c +++ b/drivers/staging/comedi/drivers/ni_660x.c @@ -702,7 +702,7 @@ static int ni_660x_request_mite_channel(struct comedi_device *dev, BUG_ON(counter->mite_chan); mite_chan = mite_request_channel(devpriv->mite, mite_ring(devpriv, counter)); - if (mite_chan == NULL) { + if (!mite_chan) { spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); dev_err(dev->class_dev, "failed to reserve mite dma channel for counter\n"); @@ -861,7 +861,7 @@ static int ni_660x_alloc_mite_rings(struct comedi_device *dev) for (j = 0; j < counters_per_chip; ++j) { devpriv->mite_rings[i][j] = mite_alloc_ring(devpriv->mite); - if (devpriv->mite_rings[i][j] == NULL) + if (!devpriv->mite_rings[i][j]) return -ENOMEM; } } @@ -1107,7 +1107,7 @@ static int ni_660x_auto_attach(struct comedi_device *dev, ni_gpct_variant_660x, ni_660x_num_counters (dev)); - if (devpriv->counter_dev == NULL) + if (!devpriv->counter_dev) return -ENOMEM; for (i = 0; i < NI_660X_MAX_NUM_COUNTERS; ++i) { s = &dev->subdevices[NI_660X_GPCT_SUBDEV(i)]; |